In a power plant, coal is carried from storage place to boilers generally by means of (A) bucket (B) V-belts (C) trolleys (D) manually.

In a power plant, coal is carried from storage place to boilers generally by means of (A) bucket (B) V-belts (C) trolleys (D) manually.
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In a power plant, coal is carried from storage place to boilers generally by means of (A) Bucket (B) V-belts (C) Trolleys (D) Manually.

Description : In a power plant, coal is carried from storage place to boilers generally by means of (A) Bucket (B) V-belts (C) Trolleys (D) Manually.

Last Answer : V-belts

Emission of dense white smoke out of the chimney of a thermal power plant is an indication of the use of (A) Less air for combustion (B) Correct amount of air for combustion (C) Too much air for combustion (D) Pulverised coal in boilers

Description : Emission of dense white smoke out of the chimney of a thermal power plant is an indication of the use of (A) Less air for combustion (B) Correct amount of air for combustion (C) Too much air for combustion (D) Pulverised coal in boilers

Last Answer : (C) Too much air for combustion

Live storage of coal in a power plant means (A) Coal ready for combustion (B) Preheated coal (C) storage of coal sufficient to meet 24 hour demand of the plant (D) Coal in transit.

Description : Live storage of coal in a power plant means (A) Coal ready for combustion (B) Preheated coal (C) storage of coal sufficient to meet 24 hour demand of the plant (D) Coal in transit.

Last Answer : storage of coal sufficient to meet 24 hour demand of the plant

Equalization of the power factors of two alternators operating in parallel is accomplished _____________. A. manually, by adjusting the governor controls B. automatically, by automatic voltage regulators C. manually, adjusting the output of current transformers D. automatically, by the designed action of the governors

Description : Equalization of the power factors of two alternators operating in parallel is accomplished _____________. A. manually, by adjusting the governor controls B. automatically, by automatic voltage regulators ... the output of current transformers D. automatically, by the designed action of the governors

Last Answer : Answer: B

Why is there Sand under the seats of the San Diego Trolleys?

Description : Why is there Sand under the seats of the San Diego Trolleys?

Last Answer : Probably because some people take it back and forth to locations near the beach.

Why does trolleybus have 2 trolleys and a tram one?

Last Answer : Because the tram has tracks instead of one ´wire´ ...: o

Buses, trains, trolleys, hoists, cranes require high starting torque and therefore make use of?

Last Answer : Buses, trains, trolleys, hoists, cranes require high starting torque and therefore make use of D.C. series motor.

What are different types of Steam boilers used in Thermal Power Plants?

Description : What are different types of Steam boilers used in Thermal Power Plants?

Last Answer : Answer: Different type of boiler used in thermal power plants are: • Fire tube boiler • Water tube boiler • Natural Circulation boiler • Forced Circulation boiler • Once through boiler

What are different types of Steam boilers used in Thermal Power Plants?

Description : What are different types of Steam boilers used in Thermal Power Plants?

Last Answer : Different type of boiler used in thermal power plants are: Fire tube boiler Water tube boiler Natural Circulation boiler Forced Circulation boiler Once through boiler

Coal is finally pulverised to 200 mesh size for burning in boilers by a (A) Hammer crusher(B) Ball mill(C) Roll crusher(D) Gyratory crusher

Description : Coal is finally pulverised to 200 mesh size for burning in boilers by a (A) Hammer crusher (B) Ball mill (C) Roll crusher (D) Gyratory crusher

Last Answer : (B) Ball mill

Use of pulverised coal in boilers provides (A) Higher calorific value (B) Better combustion (C) Smokeless burning (D) Less erosion on furnace wall

Description : Use of pulverised coal in boilers provides (A) Higher calorific value (B) Better combustion (C) Smokeless burning (D) Less erosion on furnace wall

Last Answer : (B) Better combustion

Which of the following is not applicable to fluidised bed combustion of coal? (A) It cannot burn low grade coal (B) It achieves higher fuel combustion efficiency (C) Less heat transfer surface area is required in boilers (D) None of these

Description : Which of the following is not applicable to fluidised bed combustion of coal? (A) It cannot burn low grade coal (B) It achieves higher fuel combustion efficiency (C) Less heat transfer surface area is required in boilers (D) None of these

Last Answer : (A) It cannot burn low grade coal

Limestone powder is injected during pulverised coal burning in boilers to __________ the flue gases. (A) Reduce SO2 content in (B) Catalytically convert SO2 to SO3 in (C) Increase the dew point of (D) None of these

Description : Limestone powder is injected during pulverised coal burning in boilers to __________ the flue gases. (A) Reduce SO2 content in (B) Catalytically convert SO2 to SO3 in (C) Increase the dew point of (D) None of these

Last Answer : (A) Reduce SO2 content in

Ultra supercritical boilers are mostly used in ______. a. Petrochemical industries b. Coal industries c. Textile industries d. none

Description : Ultra supercritical boilers are mostly used in ______. a. Petrochemical industries b. Coal industries c. Textile industries d. none

Last Answer : b. Coal industries

The fuel mostly used in steam boilers is  A. brown coal  B. peat  C. coking bituminous coal  D. non-coking bituminous coal

Description : The fuel mostly used in steam boilers is  A. brown coal  B. peat  C. coking bituminous coal  D. non-coking bituminous coal

Last Answer : Answer: D

What is the major disadvantage of the Benson boilers? a) Boiler is big in size b) Has large storage capacity c) Deposition of salts d) Bubble formation

Description : What is the major disadvantage of the Benson boilers? a) Boiler is big in size b) Has large storage capacity c) Deposition of salts d) Bubble formation

Last Answer : c) Deposition of salts

Size of V belts used for 25KW Alternator a. C121 c. C122 b. C123 d. C124

Description : Size of V belts used for 25KW Alternator a. C121 c. C122 b. C123 d. C124

Last Answer : c. C122

The 'safe switch' of the winch controller shown in the illustration is operated _______________. EL-0102 A. through the master switch handle B. when heater circuit current is high C. by contactor coil 'FR' D. manually by the winch operator

Description : The 'safe switch' of the winch controller shown in the illustration is operated _______________. EL-0102 A. through the master switch handle B. when heater circuit current is high C. by contactor coil 'FR' D. manually by the winch operator

Last Answer : Answer: D

A low-voltage protection circuit is used in electric motor starting equipment to _____________. A. trip circuit contactors when the motor overspeeds due to low voltage B. trip circuit contactors when the motor develops a short circuit due to low voltage C. allow the motor to restart automatically on restoration of voltage without manually resetting D. prevent the motor from restarting automatically on restoration of voltage

Description : A low-voltage protection circuit is used in electric motor starting equipment to _____________. A. trip circuit contactors when the motor overspeeds due to low voltage B. trip circuit ... voltage without manually resetting D. prevent the motor from restarting automatically on restoration of voltage

Last Answer : Answer: D

How will you proceed to operate the valve manually after an electrical operation?

Description : How will you proceed to operate the valve manually after an electrical operation?  

Last Answer : After electrical operation to operate manually we must tilt the lever provided on the actuator to hand (manual) position by which the sliding clutch gets engaged with hand drive. 

Bucket elevators are not suitable for the vertical lifting of __________ materials. (A) Fine (e.g. - 200 mesh size coal) (B) Sticky (e.g. clay paste) (C) Small lumpy (e.g. grains and sand) (D) Free flowing

Description : Bucket elevators are not suitable for the vertical lifting of __________ materials. (A) Fine (e.g. - 200 mesh size coal) (B) Sticky (e.g. clay paste) (C) Small lumpy (e.g. grains and sand) (D) Free flowing

Last Answer : (B) Sticky (e.g. clay paste

Safe condition for storage of high V.M. bituminous coal is that (A) Height of the coal heap should be < 3 metres (B) Maximum 200 tons should be stored in a heap (C) Both (A) and (B) (D) Neither (A) nor (B)

Description : Safe condition for storage of high V.M. bituminous coal is that (A) Height of the coal heap should be < 3 metres (B) Maximum 200 tons should be stored in a heap (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) and (B)

Induced draft fans provided in large thermal power plant boilers have __________ blades. (A) Forward curved (B) Backward curved (C) Double curved (D) Radial or straight

Description : Induced draft fans provided in large thermal power plant boilers have __________ blades. (A) Forward curved (B) Backward curved (C) Double curved (D) Radial or straight

Last Answer : (B) Backward curved

Distinguish between fire tube and water tube boilers in steam power plant.

Description : Distinguish between fire tube and water tube boilers in steam power plant.

Last Answer : Fire Tube boiler Water Tube boiler In fire tube boilers hot gases are passed through the tubes and water surrounds these tubes. In these boilers water is inside the tubes and hot gases are ... risk of explosion due to low pressure. Risk of explosion is more due to high pressure.

Which of the following fuels is generally not used in thermal power plant boiler firing? (A) Furnace oil, light diesel oil and tar/PCM (B) Pulverised coking coal (C) Coal middling from washeries (D) B.F. gas, coke oven gas and L.D. converter gas

Description : Which of the following fuels is generally not used in thermal power plant boiler firing? (A) Furnace oil, light diesel oil and tar/PCM (B) Pulverised coking coal (C) Coal middling from washeries (D) B.F. gas, coke oven gas and L.D. converter gas

Last Answer : (B) Pulverised coking coal

If a small electric motor has been submerged in saltwater for a short period of time, you should _____________. A. send it ashore for rewinding B. rinse it with warm freshwater and bake it dry in an oven C. soak it in a bucket of commercial solvent and bake with internal heat D. clean it with carbon tetrachloride and blow it out with compressed air

Description : If a small electric motor has been submerged in saltwater for a short period of time, you should _____________. A. send it ashore for rewinding B. rinse it with warm freshwater and bake it dry ... and bake with internal heat D. clean it with carbon tetrachloride and blow it out with compressed air

Last Answer : Answer: B

Which of the listed procedures should be carried out to prevent moisture damage to electrical apparatus during extended periods of idleness? A. Fill the motor housing with CO2 to inert the space. B. Strap silica gel around the commutator. C. Place heat lamps in the motor housings. D. Cover the equipment with a canvas tarpaulin.

Description : Which of the listed procedures should be carried out to prevent moisture damage to electrical apparatus during extended periods of idleness? A. Fill the motor housing with CO2 to inert the space. B. Strap ... C. Place heat lamps in the motor housings. D. Cover the equipment with a canvas tarpaulin.

Last Answer : Answer: C

The efficiency of a thermal power plant improves with (A) increased quantity of coal burnt (B) larger quantity of water used (C) lower load in the plant (D) use of high steam pressures.

Description : The efficiency of a thermal power plant improves with (A) increased quantity of coal burnt (B) larger quantity of water used (C) lower load in the plant (D) use of high steam pressures.

Last Answer : Ans: D

Coal used in power plant is also known as (A) steam coal (B) charcoal (C) coke (D) soft coal.

Description : Coal used in power plant is also known as (A) steam coal (B) charcoal (C) coke (D) soft coal.

Last Answer : Ans: A

What consists of cooling water circuit and coal & ash circuit in steam power plant?

Description : What consists of cooling water circuit and coal & ash circuit in steam power plant?

Last Answer : The cooling water circuit consists of a pump, condenser and cooling tower. The coal and ash circuit consists of coal delivery, preparation of coal, handling of coal to the boiler furnace, ash handling and ash storage.

Find false statement a. Tube of supercritical boilers are self-supporting b. Corners are easy to form c. Uniform heating of water takes place in supercritical boiler occurs d. All

Description : Find false statement a. Tube of supercritical boilers are self-supporting b. Corners are easy to form c. Uniform heating of water takes place in supercritical boiler occurs d. All

Last Answer : c. Uniform heating of water takes place in supercritical boiler occurs

Operation carried out in Thermal power station?

Description : Operation carried out in Thermal power station?

Last Answer : The water is obtained in the boiler and the coal is burnt so that steam is obtained this steam is allowed to hit the turbine; the turbine which is coupled with the generator generates the electricity

What are the operation carried out in Thermal power station?

Description : What are the operation carried out in Thermal power station?

Last Answer : A: The water is obtained in the boiler and the coal is burnt so that steam is obtained this steam is allowed to hit the turbine, the turbine which is coupled with the generator generates the electricity

Operation Carried Out In Thermal Power Stations?

Description : Operation Carried Out In Thermal Power Stations?

Last Answer : The water is obtained in the boiler and the coal is burnt so that steam is obtained this steam is allowed to hit the turbine , the turbine which is coupled with the generator generates the electricity.

Describe the operation carried out in Thermal power stations?

Description : Describe the operation carried out in Thermal power stations?

Last Answer : A:The water is boiled in the boiler with the help of coal. This generates steam. This steam is allowed to hit the turbine hence the turbine rotates. The turbine is coupled with generator. So the mechanical energy of turbine is converted to electrical energy by Generator.

What are the tests to be carried out during DC high voltage test on power cables?

Description : What are the tests to be carried out during DC high voltage test on power cables? 

Last Answer : DC high voltage testing. During DC high voltage testing flow of following currents will take place. a. Capacitance charging current. b. Dielectric absorption current. c. Surface leakage current. d. Partial discharge current (corona). e. Volumetric leakage current. 

The size of a conductor used in power cables depends on the (A) operating voltage. (B) power factor. (C) current to be carried. (D) type of insulation used.

Description : The size of a conductor used in power cables depends on the (A) operating voltage. (B) power factor. (C) current to be carried. (D) type of insulation used.

Last Answer : (C) current to be carried.

Name the type of coal mining carried on in Meghalaya -Geography

Description : Name the type of coal mining carried on in Meghalaya -Geography

Last Answer : Rat hole Mining is the type of coal mining carried on in Meghalaya. In India, to extract minerals, individual needs the due permission of the government as most of the minerals are nationalised or ... family members by digging a long narrow tunnel, which is referred to as Rat hole Mining'.

Amount of coal lost in ash particle, which is carried through the boiler system, depends upon the (A) Physical nature, ash content and fineness of the coal (B) Amount of excess air supplied and load on the boiler (C) Type of burner and combustion chamber (D) All (A), (B) and (C)

Description : Amount of coal lost in ash particle, which is carried through the boiler system, depends upon the (A) Physical nature, ash content and fineness of the coal (B) Amount of excess air supplied and load on the boiler (C) Type of burner and combustion chamber (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Write the purpose of coal and ash handling unit. Also write different activities that arc carried out in this unit.

Description : Write the purpose of coal and ash handling unit. Also write different activities that arc carried out in this unit.

Last Answer : Purpose of coal and ash handling unit :-  To transport coal from coal storage to power plant. A large quantity of ash about 10 to 30 % produced in furnace, the removal of ash from boiler furnace ... disposed off.  Various methods of disposal of ash:  Mechanical system.  Pneumatic system.

What is meant by pumped storage power plant?

Description : What is meant by pumped storage power plant?

Last Answer : The pumped storage plants are used for load balancing. During peak load water is used to work on turbines to produce electricity. Water after working in turbines is stored in the tail race reservoir.

Are the highest levels of sulfur dioxide are found near power plants refineries and industrial boilers?

Description : Are the highest levels of sulfur dioxide are found near power plants refineries and industrial boilers?

Last Answer : 1

Are the highest levels of sulfur dioxide are found near power plants refineries and industrial boilers?

Description : Are the highest levels of sulfur dioxide are found near power plants refineries and industrial boilers?

Last Answer : 1

Low temperature oxidation of coal during storage does not decrease its (A) Oxygen content (B) Caking power (C) Calorific value (D) None of these

Description : Low temperature oxidation of coal during storage does not decrease its (A) Oxygen content (B) Caking power (C) Calorific value (D) None of these

Last Answer : (D) None of these

Low temperature oxidation of coal resulting from bad storage conditions does not decrease its (A) Caking power (B) Calorific value (C) Hydrogen content (D) Oxygen content

Description : Low temperature oxidation of coal resulting from bad storage conditions does not decrease its (A) Caking power (B) Calorific value (C) Hydrogen content (D) Oxygen content

Last Answer : (D) Oxygen content

Which of the following sorting algorithm is in-place a) Counting sort b) Radix sort c) Bucket sort d) None

Description : Which of the following sorting algorithm is in-place a) Counting sort b) Radix sort c) Bucket sort d) None

Last Answer : b) Radix sort

Pick up the incorrect statement from the following: A. The mixture of water and waste products, is called sewage B. The treated sewage effluents, are generally used for irrigating the crops C. The process of collecting, treating and disposing off the sewage, is called sewerage D. The old convergence system was definitely better than water carried sewerage system

Description : Pick up the incorrect statement from the following: A. The mixture of water and waste products, is called sewage B. The treated sewage effluents, are generally used for irrigating the ... is called sewerage D. The old convergence system was definitely better than water carried sewerage system

Last Answer : ANS: D

Pick up the correct statement from the following: A. The water supply pipes carry pure water free from solid particles B. The water supply pipes get clogged if flow velocity is less than self cleansing velocity C. The sewers may be carried up and down the hills and valleys D. The sewer pipes are generally laid along level hills

Description : Pick up the correct statement from the following: A. The water supply pipes carry pure water free from solid particles B. The water supply pipes get clogged if flow velocity is less than self ... carried up and down the hills and valleys D. The sewer pipes are generally laid along level hills

Last Answer : ANS: A

Pick up the correct statement from the following: (A) Large solids carried along the river bed, is known as bed load (B) The fine sediment deposits are generally near the face of the dam (C) Deposition of sediment in the reservoir, reduces the capacity of the reservoir (D) All the above

Description : Pick up the correct statement from the following:  (A) Large solids carried along the river bed, is known as bed load  (B) The fine sediment deposits are generally near the face of ... ) Deposition of sediment in the reservoir, reduces the capacity of the reservoir  (D) All the above 

Last Answer : (D) All the above